This tells WP-SCSS to take _s’s SCSS files and convert them to CSS files in the theme’s root directory. For _s, this means take a bunch of SCSS files and converting them to style.css in the theme’s root.

Great write-up. I, too, am diving into _s, hoping to find myself a new theme development workflow. I’m delighted that _s now incorporates SASS.

One minor suggestion, if I may. I believe the settings should point to the SASS folder, as there is no SCSS folder in the _s theme file structure. The configuration would look as such: SCSS Location: /sass/